Indications: kidney deficiency, pain on both sides of waist and abdominal distension.

Acupoint selection: Acupoint selection at the lower end of the outer edge of the helix.

Principle and application demonstration:

1. Shuier point is the same as the nephritis point of auricular point, which can treat kidney-related diseases.

2. The above acupoints (Hall, Muer, Rabbit's Ear, Jin 'er and Shuier) are named after the five elements, which correspond to the five elements system of the five zang-organs and are also effective in treating various diseases of the five zang-organs.